BJ-981 High Accuracy Pen-type pH Meter
BJ-981 High Accuracy Pen-type pH Meterr
Product description:
The KELILONG pH tester is specially designed for industrial applications uncomparable by others.
Its ruggedness surpasses any cheap pH meters. It is splash proof and it floats on water. Its portability makes it the most convenient and reliable test for technician to perform onsite water checking and testing.
Ruggedness
Its ruggedness is unmatched by any similar pocket size tester. The uniquely re-enforced glass sensor can withstand accidental drop and shocks.
One-Touch Calibration
On activation, the tester calibrates the end-point automatically at prescribed standard solution.
Hold Function
Able to freeze display for ease of reading and recording.
Low battery alert Function
The meter is supplied with BEPS (Battery Error Preventing System) which avoids any erroneous reading due to low battery level, by switching the meter off.
LCD with backlit Function
Easy reading in a dark environmental
The instrument shell waterproof design, waterproof rating of IP55.
Low-voltage prompts, to facilitate customers to replace the battery.
Have a lock function to facilitate the preservation and recording of measured data.
Technical Specification:
Model |
BJ-981 |
Measuring range |
0.00 ~ 14.00PH |
Accuracy |
±0.1PH |
Resolution |
0.01PH |
Operating Temperature |
0℃~50℃ |
Automatic Temperature Compensation |
0℃~50℃ |
Power Supply |
4×1.5V(AG13) |
Calibration |
Manual 1 point |
Dimensions |
170mm×33mm×20mm |
Weight |
69g |



Q:What’s the MOQ ?
Answer: Usually speaking, we do not set MOQ since we want to do business with any business type, including retailer and wholesaler.
Q: How do you deliver the goods ?
Answer: We send by sea or by air including DHL,FedEx,TNT,UPS etc.
Q: What’s you main payment terms ?
Answer: T/T,Paypal ,western union and trade assurance is welcome to us.
Q:Can you do private label ?
Answer: Yes, of course. OEM is absolutely supported; both on package or devices.
Q:What certifications do you have ?
Answer: All electronic products are with CE & RoHS certificates.
Q:How can I get a sample ? What’s the sample fee? Is it refundable ?
Answer: Please confirm with us the model you’ll purchase, and you prepaid the sample fee , after sample tested and qualified, we will refund this sample fee when you place the bulk order. We can send out the sample within 2 working days after receiving payment.
Q:What’s the lead-time ?
Answer: Normally it takes 3-5 working days after receiving payment.
Q:Do you have in stock ?
Answer: Yes, we usually hold some quantities in stock, such as 100pcs or 200pcs are ready to ship immediately.
Q:What about your after-sales services ?
Answer: We have 100% QC before shipment. If there are some unexpected problems happen, we hope to solve these problems with our customers through friendly ways as below:
1, If it’s quality problem, customers must provide photos or videos and other evidences to us for identify. After confirmation, we’ll send the new products to replace the damages in next order.
2, If it’s man-made damaged, customers should take full responsibility.
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